package com.tony.study.thread.sync;

/**
 * Created with IntelliJ IDEA.
 *
 * @Title: SafeBank
 * @Auther: 皮蛋布丁
 * @Date: 2021/10/31/20:15
 * @Description: 同步取钱
 */
public class SafeBank {
    public static void main(String[] args) {
        //账户
        Account1 account = new Account1(1000,"老婆本");

        Drawing1 you = new Drawing1(account,50,"你");
        Drawing1 girlFriend = new Drawing1(account,100,"女友");

        you.start();
        girlFriend.start();
    }
}
//账户
class Account1 {
    int money;  //余额
    String name;    //账户

    public Account1(int money, String name) {
        this.money = money;
        this.name = name;
    }
}
//银行：模拟取款
class Drawing1 extends Thread {
    Account1 account;    //账户
    int drawingMoney;   //取多少钱
    int nowMoney;   //现在所剩多少钱

    public Drawing1(Account1 account,int drawingMoney,String name) {
        super(name);
        this.account = account;
        this.drawingMoney = drawingMoney;
    }

    @Override
    public void run() {
        synchronized (account) {
            //判断有没有钱
            if (account.money - drawingMoney < 0) {
                System.out.println(Thread.currentThread().getName()+"钱不够，不能取出！");
                return;
            }
            //sleep放大问题性
            try {
                Thread.sleep(1000);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
            //卡内余额 = 余额 - 你取出的钱
            account.money = account.money - drawingMoney;
            //你手里的钱
            nowMoney = nowMoney + drawingMoney;

            System.out.println(account.name+"余额为："+account.money);
//        Thread.currentThread().getName() = this.getName();
            System.out.println(this.getName()+"手里的钱："+nowMoney);
        }
    }
}
